Balázsik, Katalin: search on Z-Library

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1

Methylethers of cinchona alkaloids in Pt-catalyzed hydrogenation of ethyl pyruvate and ketopantolactone: Effect of stereochemical factors on the enantioselectivity

Katalin Balázsik, Imre Bucsi, Szabolcs Cserényi, György Szöllősi, Mihály Bartók

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2008

Language:

english

File:

PDF, 849 KB

english, 2008

2

Asymmetric reactions in sonochemistry

Béla Török, Katalin Balázsik, Károly Felföldi, Mihály Bartók

Journal:

Ultrasonics Sonochemistry

Year:

2001

Language:

english

File:

PDF, 401 KB

english, 2001

3

Ultrasonics in heterogeneous metal catalysis: sonochemical chemo- and enantioselective hydrogenations over supported platinum catalysts

Béla Török, György Szöllösi, Katalin Balázsik, Károly Felföldi, István Kun, Mihály Bartók

Journal:

Ultrasonics Sonochemistry

Year:

1999

Language:

english

File:

PDF, 243 KB

english, 1999

4

Heterogeneous asymmetric reactions: Part 40. New data on repeated use of Pt-alumina catalyst during enantioselective hydrogenation of ethyl pyruvate

Katalin Balázsik, Mihály Bartók

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2004

Language:

english

File:

PDF, 110 KB

english, 2004

5

Modifier–substrate interactions of various types in the Orito reaction: Reversal of the enantioselection in the hydrogenation of ketopantolactone on Pt modified by β-isocinchonine and O-phenylcinchonidine

Szőllősi, György, Balázsik, Katalin, Bucsi, Imre, Bartók, Tibor, Bartók, Mihály

Journal:

Catalysis Communications

Year:

2013

Language:

english

File:

PDF, 475 KB

english, 2013

6

New Data of Nonlinear Phenomenon in the Heterogeneous Enantioselective Hydrogenation of Activated Ketones

Katalin Balázsik, György Szöllősi, Mihály Bartók

Journal:

Catalysis Letters

Year:

2008

Language:

english

File:

PDF, 375 KB

english, 2008

7

Enantioselective hydrogenation of ketopantolactone using Pt–β-ICN chiral catalyst: Correlation between the solution-state concentration of a nucleophilic β-isocinchonine–ketopantolactone complex and enantioselectivity

Tamás A. Martinek, Tibor Varga, Katalin Balázsik, György Szöllősi, Ferenc Fülöp, Mihály Bartók

Journal:

Journal of Catalysis

Year:

2008

Language:

english

File:

PDF, 468 KB

english, 2008

8

Study of enantioselective hydrogenation of bulky esters of phenylglyoxylic acid on Pt-CD and Pt-β-ICN chiral catalysts: Steric effect of ester groups and inversion of enantioselectivity

Kornél Szőri, Katalin Balázsik, Károly Felföldi, Mihály Bartók

Journal:

Journal of Catalysis

Year:

2006

Language:

english

File:

PDF, 157 KB

english, 2006

9

Heterogeneous Asymmetric Hydrogenation ofN-Heterocyclic Compounds: Hydrogenation of Tetrahydroisoquinoline Derivatives

Katalin Balázsik, György Szőllősi, Ottó Berkesi, Gábor Szalontai…

Journal:

Topics in Catalysis

Year:

2012

Language:

english

File:

PDF, 1.38 MB

english, 2012

10

Homogeneous and heterogeneous asymmetric reactions: Part 11: Sonochemical enantioselective hydrogenation of trifluoromethyl ketones over platinum catalysts

Katalin Balázsik, Béla Török, Károly Felföldi, Mihály Bartók

Journal:

Ultrasonics Sonochemistry

Year:

1999

Language:

english

File:

PDF, 157 KB

english, 1999

11

Heterogeneous asymmetric reactions: Part 25. On the pretreatment and prehydrogenation of Pt-alumina catalyst in the hydrogenation of ethyl pyruvate

Mihály Bartók, György Szöllösi, Katalin Balázsik, Tibor Bartók

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2002

Language:

english

File:

PDF, 124 KB

english, 2002

12

Homogeneous and heterogeneous asymmetric reactions. Part X: Enantioselective hydrogenations over K-10 montmorillonite supported noble metal catalysts with immobilized modifier

Katalin Balázsik, Béla Török, Gerda Szakonyi, Mihály Bartók

Journal:

Applied Catalysis A: General

Year:

1999

Language:

english

File:

PDF, 298 KB

english, 1999

13

New synthesis of a useful C3 chiral building block by a heterogeneous method: enantioselective hydrogenation of pyruvaldehyde dimethyl acetal over cinchona modified Pt/Al2O3 catalysts

Török, Béla, Balázsik, Katalin, Bartók, Mihály, Felföldi, Károly, Bartók, Mihály

Journal:

Chemical Communications

Year:

1999

Language:

english

File:

PDF, 43 KB

english, 1999

14

Inversion of enantioselectivity in the 2,2,2-trifluoroacetophenone hydrogenation over Pt-alumina catalyst modified by cinchona alkaloids

Kornél Szőri, Katalin Balázsik, Szabolcs Cserényi, György Szőllősi, Mihály Bartók

Journal:

Applied Catalysis A: General

Year:

2009

Language:

english

File:

PDF, 359 KB

english, 2009

15

Inversion of enantioselectivity in the hydrogenation of ketopantolactone on a Pt-β-ICN chiral catalyst

Mihály Bartók, Katalin Balázsik, Imre Bucsi, György Szöllősi

Journal:

Journal of Catalysis

Year:

2006

Language:

english

File:

PDF, 307 KB

english, 2006

16

Enantioselective hydrogenation of ethyl pyruvate catalysed by cinchonine-modified Pt/Al2O3: tilted adsorption geometry of cinchonine

Mihály Bartók, Mária Sutyinszki, Katalin Balázsik, György Szöllősi

Journal:

Catalysis Letters

Year:

2005

Language:

english

File:

PDF, 296 KB

english, 2005

17

C9-O-substituted derivatives of cinchona alkaloids as chiral modifiers in the Orito-reaction: Effects of structure of modifiers on sense of enantioselectivity

Szabolcs Cserényi, Károly Felföldi, Katalin Balázsik, György Szöllősi, Imre Bucsi, Mihály Bartók

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2006

Language:

english

File:

PDF, 418 KB

english, 2006

18

New data on the effect of steric constraints on the chiral induction in the Orito reaction: Hydrogenation of activated steroid ketones

Kornél Szőri, Katalin Balázsik, Károly Felföldi, Imre Bucsi, Szabolcs Cserényi, György Szöllősi, Elemér Vass, Miklós Hollósi, Mihály Bartók

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2008

Language:

english

File:

PDF, 583 KB

english, 2008

19

Corrigendum to “Study of enantioselective hydrogenation of bulky esters of phenylglyoxylic acid on Pt–CD and Pt–β–ICN chiral catalysts: Steric effect of ester groups and inversion of enantioselectivity” [J. Catal. 241 (1) (2006) 149–154]

Kornél Szőri, Katalin Balázsik, Károly Felföldi, Mihály Bartók

Journal:

Journal of Catalysis

Year:

2006

Language:

english

File:

PDF, 50 KB

english, 2006

20

Heterogeneous asymmetric reactions: Part 32. High enantioselectivities in the hydrogenation of activated ketones on cinchona alkaloid modified platinum-alumina catalysts

Károly Felföldi, Katalin Balázsik, Mihály Bartók

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2003

Language:

english

File:

PDF, 169 KB

english, 2003

21

New data in the enantioselective hydrogenation of ethyl pyruvate on Pt-cinchona chiral catalyst using continuous-flow fixed-bed reactor system: The origin of rate enhancement

György Szöllősi, Szabolcs Cserényi, Katalin Balázsik, Ferenc Fülöp, Mihály Bartók

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2009

Language:

english

File:

PDF, 746 KB

english, 2009

22

Solvent and support effects in the case of acetic acid and alumina: Oxonium cations in asymmetric hydrogenation of ethyl pyruvate over dihydrocinchonidine modified platinum

Mihály Bartók, Katalin Balázsik, György Szöllösi, Tibor Bartók

Journal:

Catalysis Communications

Year:

2001

Language:

english

File:

PDF, 135 KB

english, 2001

23

Enantioselective hydrogenation of itaconic acid over cinchona alkaloid modified supported palladium catalyst

György Szöllősi, Katalin Balázsik, Mihály Bartók

Journal:

Applied Catalysis A: General

Year:

2007

Language:

english

File:

PDF, 495 KB

english, 2007

24

New data on enantiomeric excess versus conversion during enantioselective hydrogenation of activated ketones on a platinum catalyst

Katalin Balázsik, Mihály Bartók

Journal:

Journal of Catalysis

Year:

2004

Language:

english

File:

PDF, 280 KB

english, 2004

25

Heterogeneous asymmetric reactions, 33. Novel interpretation of the enantioselective hydrogenation of a-ketoesters on Pt/alumina-cinchona alkaloid catalyst system

Mihály Bartók, Katalin Balázsik, Ferenc Notheisz

Journal:

Reaction Kinetics, Mechanisms and Catalysis

Year:

2002

Language:

english

File:

PDF, 72 KB

english, 2002

26

Preparation and Characterization of New Chirally Modified Laponites

Török, BÉLa, Balázsik, Katalin, Dékány, Imre, Bartók, MiháLy

Journal:

Molecular Crystals and Liquid Crystals Science and Technology Section A Molecular Crystals and Liquid Crystals

Year:

2000

Language:

english

File:

PDF, 273 KB

english, 2000

27

One-Step Synthesis of Methyl Isobutyl Ketone from Acetone and Hydrogen over Cu-on-MgO Catalysts

Viktor Chikán, Árpád Molnár, Katalin Balázsik

Journal:

Journal of Catalysis

Year:

1999

Language:

english

File:

PDF, 227 KB

english, 1999

28

Methylethers of cinchona alkaloids in Pt-catalyzed hydrogenation of methyl benzoylformate and pyruvaldehyde dimethyl acetal: Part 2: Effect of stereochemical factors on the enantioselectivity

Katalin Balázsik, Imre Bucsi, Szabolcs Cserényi, György Szöllősi, Mihály Bartók

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2008

Language:

english

File:

PDF, 681 KB

english, 2008

29

New Data on the Orito Reaction: Effect of Substrate Structure on Nonlinear Phenomenon

Katalin Balázsik, Szabolcs Cserényi, György Szöllősi, Ferenc Fülöp, Mihály Bartók

Journal:

Catalysis Letters

Year:

2008

Language:

english

File:

PDF, 407 KB

english, 2008

30

Electrospray Ionization–Mass Spectrometry in the Enantioselective Hydrogenation of Ethyl Pyruvate Catalyzed by Dihydrocinchonidine Modified Pt/Al2O3 in Acetic Acid

Mihály Bartók, Katalin Balázsik, György Szöllösi, Tibor Bartók

Journal:

Journal of Catalysis

Year:

2002

Language:

english

File:

PDF, 151 KB

english, 2002

31

Enantiodifferentiation in asymmetric sonochemical hydrogenations

Béla Török, Károly Felföldi, Gerda Szakonyi, Katalin Balázsik, Mihály Bartók

Journal:

Catalysis Letters

Year:

1998

Language:

english

File:

PDF, 143 KB

english, 1998

32

ChemInform Abstract: Asymmetric Synthesis of Alkyl 5-Oxotetrahydrofuran-2-carboxylates by Enantioselective Hydrogenation of Dialkyl 2-Oxoglutarates over Cinchona Modified Pt/Al2O3 Catalysts.

Katalin Balazsik, Kornel Szoeri, Karoly Felfoeldi, Bela Toeroek, Mihaly Bartok

Journal:

Year:

2000

File:

PDF, 30 KB

2000

33

A new rigid cinchona modified (α-IQ) platinum catalyst for the enantioselective hydrogenation of activated ketones: Data to the origin of enantioselection

Katalin Balázsik, Tamás A. Martinek, Imre Bucsi, György Szőllősi, Gabriella Fogassy, Mihály Bartók, George A. Olah

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2007

Language:

english

File:

PDF, 774 KB

english, 2007

34

New phenomenon in competitive hydrogenation of binary mixtures of activated ketones over unmodified and cinchonidine-modified Pt/alumina catalyst

Katalin Balázsik, Kornél Szőri, György Szőllősi, Mihály Bartók

Journal:

Catalysis Communications

Year:

2011

Language:

english

File:

PDF, 589 KB

english, 2011

35

Identification of new types of aluminium compounds by electrospray ionization mass spectrometry: oxonium cations

Mihály Bartók, Pál Tamás Szabó, Tibor Bartók, György Szöllösi, Katalin Balázsik

Journal:

Rapid Communications in Mass Spectrometry

Year:

2001

Language:

english

File:

PDF, 124 KB

english, 2001

36

Heterogeneous asymmetric reactions. 23. Enantioselective hydrogenation of ethyl pyruvate over cinchonine- and α-isocinchonine-modified platinum catalysts

Mihály Bartók, Béla Török, Katalin Balázsik, Tibor Bartók

Journal:

Catalysis Letters

Year:

2001

Language:

english

File:

PDF, 81 KB

english, 2001

37

Asymmetric synthesis of alkyl 5-oxotetrahydrofuran-2-carboxylates by enantioselective hydrogenation of dialkyl 2-oxoglutarates over cinchona modified Pt/Al2O3 catalysts

Balázsik, Katalin, Szöri, Kornél, Török, Béla, Bartók, Mihály

Journal:

Chemical Communications

Year:

2000

Language:

english

File:

PDF, 42 KB

english, 2000

38

Heterogeneous Asymmetric Reactions 20. Effect of Ultrasonic Variables on the Enantiodifferentiation in Cinchona-Modified Platinum-Catalyzed Sonochemical Hydrogenations

Béla Török, Katalin Balázsik, Marianna Török, Károly Felföldi, Mihály Bartók

Journal:

Catalysis Letters

Year:

2002

Language:

english

File:

PDF, 319 KB

english, 2002

39

Ultrasonics in asymmetric syntheses. Sonochemical enantioselective hydrogenation of prochiral C=O groups over platinum catalysts

Béla Török, Katalin Balázsik, György Szöllösi, Károly Felföldi, Mihály Bartók

Journal:

Year:

1999

Language:

english

File:

PDF, 96 KB

english, 1999

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